boards/nucleo-c071rb: add watchdog support

boards/nucleo-c071rb: add watchdog support and enable IWDG for jumbo configuration

Signed-off-by: raiden00pl <[email protected]>

Author: raiden00pl

Diff for: boards/arm/stm32f0l0g0/nucleo-c071rb/configs/jumbo/defconfig

@@ -38,6 +38,7 @@ CONFIG_EXAMPLES_ADC_GROUPSIZE=2
 CONFIG_EXAMPLES_ADC_SWTRIG=y
 CONFIG_EXAMPLES_BUTTONS=y
 CONFIG_EXAMPLES_HELLO=y
+CONFIG_EXAMPLES_WATCHDOG=y
 CONFIG_INIT_ENTRYPOINT="nsh_main"
 CONFIG_INIT_STACKSIZE=1536
 CONFIG_INPUT=y
@@ -65,7 +66,9 @@ CONFIG_START_YEAR=2013
 CONFIG_STDIO_DISABLE_BUFFERING=y
 CONFIG_STM32F0L0G0_ADC1=y
 CONFIG_STM32F0L0G0_DMA1=y
+CONFIG_STM32F0L0G0_IWDG=y
 CONFIG_STM32F0L0G0_USART2=y
+CONFIG_STM32F0L0G0_WWDG=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_USART2_SERIAL_CONSOLE=y

Diff for: boards/arm/stm32f0l0g0/nucleo-c071rb/src/stm32_bringup.c

@@ -38,6 +38,12 @@
 #  include <nuttx/leds/userled.h>
 #endif
 
+#ifdef CONFIG_STM32F0L0G0_IWDG
+#  include <stm32_wdg.h>
+#endif
+
+#include <arch/board/board.h>
+
 #include "nucleo-c071rb.h"
 
 /****************************************************************************
@@ -66,6 +72,12 @@ int stm32_bringup(void)
 {
   int ret;
 
+#ifdef CONFIG_STM32F0L0G0_IWDG
+  /* Initialize the watchdog timer */
+
+  stm32_iwdginitialize("/dev/watchdog0", STM32_LSI_FREQUENCY);
+#endif
+
 #ifdef HAVE_LEDS
   /* Register the LED driver */